bool AppInit(int argc, char* argv[])
{
boost::thread_group threadGroup;
CScheduler scheduler;
bool fRet = false;
...//参数和配置解析
try
{
// Set this early so that parameter interactions go to console
InitLogging();
InitParameterInteraction();
if (!AppInitBasicSetup())
{
// InitError will have been called with detailed error, which ends up on console
exit(1);
}
if (!AppInitParameterInteraction())
{
// InitError will have been called with detailed error, which ends up on console
exit(1);
}
if (!AppInitSanityChecks())
{
// InitError will have been called with detailed error, which ends up on console
exit(1);
}
fRet = AppInitMain(threadGroup, scheduler);
}
catch (const std::exception& e) {
PrintExceptionContinue(&e, "AppInit()");
} catch (...) {
PrintExceptionContinue(NULL, "AppInit()");
}
if (!fRet)
{
Interrupt(threadGroup);
// threadGroup.join_all(); was left out intentionally here, because we didn't re-test all of
// the startup-failure cases to make sure they don't result in a hang due to some
// thread-blocking-waiting-for-another-thread-during-startup case
} else {
WaitForShutdown(&threadGroup);
}
Shutdown();
return fRet;
}